<!doctype html>
<html>
  <head>
    <meta charset="utf-8">
    <title>incremental trailing whitespace reference</title>
    <style>
      #a {
        border: 0 solid;
        border-bottom-width: 4px !important;
      }
    </style>
  </head>
  <body>
    <div style="display: inline-block; width: 33.3333%;"></div>
    <div style="display: inline-block; width: 66.66%;">
      <div id="a">Hello</div>
    </div>
  </body>
</html>
